added jest tests for different card values

Author: asaniDev

Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js

@@ -7,7 +7,16 @@ test("should return true for a proper fraction", () => {
 });
 
 // Case 2: Identify Improper Fractions:
+test("should return false for an improper fraction", () => {
+  expect(isProperFraction(7, 4)).toEqual(false);
+});
 
 // Case 3: Identify Negative Fractions:
+test("should return true for a proper fraction based on the absolute values of the numerator and denominator", () => {
+  expect(isProperFraction(-3, 8)).toEqual(true);
+});
 
 // Case 4: Identify Equal Numerator and Denominator:
+test("should return false for an equal fraction", () => {
+  expect(isProperFraction(4, 4)).toEqual(false);
+});

Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js

@@ -8,6 +8,22 @@ test("should return 11 for Ace of Spades", () => {
 });
 
 // Case 2: Handle Number Cards (2-10):
+test("should return a number matchig the rank value for given card", () => {
+  const numberCard = getCardValue("5♠");
+  expect(numberCard).toEqual(5);
+});
 // Case 3: Handle Face Cards (J, Q, K):
+test("should return 10 for Face Cards", () => {
+  const faceCard = getCardValue("K♠");
+  expect(faceCard).toEqual(10);
+});
 // Case 4: Handle Ace (A):
+test("should return 11 for Ace", () => {
+  const aceCard = getCardValue("A◆");
+  expect(aceCard).toEqual(11);
+});
 // Case 5: Handle Invalid Cards:
+test("should return 11 for Ace of Spades", () => {
+  const invalidCard = getCardValue("1♥");
+  expect(invalidCard).toEqual("Invalid card rank.");
+});